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#ifdef __MACH__
.global _tinygo_scanCurrentStack
_tinygo_scanCurrentStack:
#else
.section .text.tinygo_scanCurrentStack
.global tinygo_scanCurrentStack
.type tinygo_scanCurrentStack, %function
tinygo_scanCurrentStack:
#endif
// Sources:
// * https://developer.arm.com/architectures/learn-the-architecture/armv8-a-instruction-set-architecture/procedure-call-standard
// * https://godbolt.org/z/qrvrEh
// Save callee-saved registers.
stp x29, x30, [sp, #-96]!
stp x28, x27, [sp, #16]
stp x26, x25, [sp, #32]
stp x24, x23, [sp, #48]
stp x22, x21, [sp, #64]
stp x20, x19, [sp, #80]
// Scan the stack.
mov x0, sp
#ifdef __MACH__
bl _tinygo_scanstack
#else
bl tinygo_scanstack
#endif
// Restore stack state and return.
ldp x29, x30, [sp], #96
ret
#ifdef __MACH__
.global _tinygo_longjmp
_tinygo_longjmp:
#else
.section .text.tinygo_longjmp
.global tinygo_longjmp
.type tinygo_longjmp, %function
tinygo_longjmp:
#endif
// Note: the code we jump to assumes x0 is set to a non-zero value if we
// jump from here (which is conveniently already the case).
ldp x1, x2, [x0] // jumpSP, jumpPC
mov sp, x1
br x2
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